Regency
®
Model 4720 Control/Communicator Installation Manual (P/N 150476, Rev. A) Revised 10/98
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3.13 Plug-On Terminal Strips
The Model 4720 uses plug-on terminal strips, which allow you to change the panel without unscrewing
each terminated wire.
3.13.1 Terminal Strip Removal
1. Tag each of the four (4) terminal block wire bundles, so the blocks can be reinstalled in the
correct positions.
2. Disconnect the 9220 AC Transformer and the battery cables.
3. Each terminal block is held by two (2) catches on the outside. To remove the block, pull up and
out on the inside of the block.
3.13.2 Terminal Strip Replacement
Check that each pin on the terminal block is straight, as crooked pins can damage the base portion
upon insertion.
Position the terminal block directly over its base and press straight in. The block will snap into
place.